N.B. If you don’t know anything about WinJS, take a moment to peruse this primer . Also, the context of this post is the p&p Hilo project . Derick Bailey also wrote about promises on his blog. A Bit About Promises Promises are an abstraction for asynchronous...

N.B. If you don’t know anything about WinJS, take a moment to peruse this primer . Also, the context of this post is the p&p Hilo project . One of the first questions we’ve been struggling with is how to best test a WinJS app. (I’m...